More from Alexander Graham Bell
- Bell Telephone Talk (1901)
- Bell Telephone Talk (1901)
- First intelligible words spoken over the telephone (10 March 1876), as recorded in Bell’s Journal entry (10 March 1876)
People/Alexander Graham Bell/Quote

Concentrate all your thoughts upon the work at hand. The sun’s rays do not burn until brought to a focus.
Bell Telephone Talk (1901)
Quote and source from Wikiquote, CC BY-SA 4.0